diff --git a/drivers/iommu/arm/Makefile b/drivers/iommu/arm/Makefile
index 0f9efeab709f..35a7e13eef34 100644
--- a/drivers/iommu/arm/Makefile
+++ b/drivers/iommu/arm/Makefile
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
-obj-y += arm-smmu/ arm-smmu-v3/
+obj-y += arm-smmu/
+obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3/
diff --git a/drivers/iommu/arm/arm-smmu-v3/Makefile b/drivers/iommu/arm/arm-smmu-v3/Makefile
index 493a659cc66b..6cc7c8557b9e 100644
--- a/drivers/iommu/arm/arm-smmu-v3/Makefile
+++ b/drivers/iommu/arm/arm-smmu-v3/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ARM_SMMU_V3) += arm_smmu_v3.o
+obj-y += arm_smmu_v3.o
 arm_smmu_v3-y := arm-smmu-v3.o
 arm_smmu_v3-$(CONFIG_ARM_SMMU_V3_IOMMUFD) += arm-smmu-v3-iommufd.o
 arm_smmu_v3-$(CONFIG_ARM_SMMU_V3_SVA) += arm-smmu-v3-sva.o